ECE API plan update

gistfile1.txt

<Reading the existing plan>:
sean@sean-ece-1:~$ curl -u root:<root_pw> -XGET localhost:12400/api/v1/clusters/elasticsearch/6ba13a2b14a44e8bafa6f517f1ad0cbc/plan

{
  "zone_count": 2,
  "cluster_topology": [{
    "node_type": {
      "master": false
    },
    "memory_per_node": 1024,
    "node_count_per_zone": 1,
    "node_configuration": "default"
  }, {
    "node_type": {
      "data": false
    },
    "memory_per_node": 1024,
    "node_count_per_zone": 1,
    "node_configuration": "default"
  }],
  "elasticsearch": {
    "version": "5.6.11",
    "system_settings": {
      "scripting": {
        "file": {
          "enabled": false
        }
      }
    },
    "user_settings_yaml": "# Note that the syntax for user settings can change between major versions.\n# You might need to update these user settings before performing a major version upgrade.\n#\n# Slack integration example (for version 5.0 and later)\n# xpack.notification.slack:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#\n# Slack integration example (for versions before 5.0)\n# watcher.actions.slack.service:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#       message_defaults:\n#        from: Watcher\n#\n# HipChat and PagerDuty integration are also supported. To learn more, see the documentation.\n\n"
  }

<Applying a new plan (note Content-Type is required).  This plan increases the zone count to 3.>:
sean@sean-ece-1:~$ curl -u root:<root_pw> -XPOST -H 'Content-Type: application/json' localhost:12400/api/v1/clusters/elasticsearch/6ba13a2b14a44e8bafa6f517f1ad0cbc/plan -d '
{
  "zone_count": 3,
  "cluster_topology": [{
    "node_type": {
      "master": false
    },
    "memory_per_node": 1024,
    "node_count_per_zone": 1,
    "node_configuration": "default"
  }, {
    "node_type": {
      "data": false
    },
    "memory_per_node": 1024,
    "node_count_per_zone": 1,
    "node_configuration": "default"
  }],
  "elasticsearch": {
    "version": "5.6.11",
    "system_settings": {
      "scripting": {
        "file": {
          "enabled": false
        }
      }
    },
    "user_settings_yaml": "# Note that the syntax for user settings can change between major versions.\n# You might need to update these user settings before performing a major version upgrade.\n#\n# Slack integration example (for version 5.0 and later)\n# xpack.notification.slack:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#\n# Slack integration example (for versions before 5.0)\n# watcher.actions.slack.service:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#       message_defaults:\n#        from: Watcher\n#\n# HipChat and PagerDuty integration are also supported. To learn more, see the documentation.\n\n"
  }
}'

{
  "elasticsearch_cluster_id": "6ba13a2b14a44e8bafa6f517f1ad0cbc"
}

<Applying this plan removed the dedicated master nodes and enabled master-eligibility on the data nodes, so the node count in the cluster drops from 5 (including tiebreaker) to 3.>
sean@sean-ece-1:~$ curl -u root:<root_pw> -XPOST -H 'Content-Type: application/json' localhost:12400/api/v1/clusters/elasticsearch/6ba13a2b14a44e8bafa6f517f1ad0cbc/plan -d '
{
  "zone_count": 2,
  "cluster_topology": [{
    "node_type": {
      "data": true
    },
    "memory_per_node": 1024,
    "node_count_per_zone": 1,
    "node_configuration": "default"
  }],
  "elasticsearch": {
    "version": "5.6.11",
    "system_settings": {
      "scripting": {
        "file": {
          "enabled": false
        }
      }
    },
    "user_settings_yaml": "# Note that the syntax for user settings can change between major versions.\n# You might need to update these user settings before performing a major version upgrade.\n#\n# Slack integration example (for version 5.0 and later)\n# xpack.notification.slack:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#\n# Slack integration example (for versions before 5.0)\n# watcher.actions.slack.service:\n#   account:\n#     monitoring:\n#       url: https://hooks.slack.com/services/T0A6BLEEA/B0A6D1PRD/XYZ123\n#       message_defaults:\n#        from: Watcher\n#\n# HipChat and PagerDuty integration are also supported. To learn more, see the documentation.\n\n"
  }
}'